[INFO] cloning repository https://github.com/mbr/trapmail-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mbr/trapmail-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmbr%2Ftrapmail-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmbr%2Ftrapmail-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6ddf10b1779621d208e98b6f4bb84508917b15f0 [INFO] checking mbr/trapmail-rs against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmbr%2Ftrapmail-rs" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mbr/trapmail-rs on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mbr/trapmail-rs [INFO] finished tweaking git repo https://github.com/mbr/trapmail-rs [INFO] tweaked toml for git repo https://github.com/mbr/trapmail-rs written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/mbr/trapmail-rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded serde_json v1.0.44 [INFO] [stderr] Downloaded thiserror-impl v1.0.9 [INFO] [stderr] Downloaded structopt v0.2.18 [INFO] [stderr] Downloaded displaydoc v0.1.5 [INFO] [stderr] Downloaded structopt-derive v0.2.18 [INFO] [stderr] Downloaded proc-macro2 v1.0.7 [INFO] [stderr] Downloaded thiserror v1.0.9 [INFO] [stderr] Downloaded syn v1.0.13 [INFO] [stderr] Downloaded regex v1.3.3 [INFO] [stderr] Downloaded regex-syntax v0.6.13 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2f4cd6c9d0e2d1fa152c079d802a8c2addd8e68607149c3fab20226cacafa4c6 [INFO] running `Command { std: "docker" "start" "-a" "2f4cd6c9d0e2d1fa152c079d802a8c2addd8e68607149c3fab20226cacafa4c6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2f4cd6c9d0e2d1fa152c079d802a8c2addd8e68607149c3fab20226cacafa4c6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2f4cd6c9d0e2d1fa152c079d802a8c2addd8e68607149c3fab20226cacafa4c6", kill_on_drop: false }` [INFO] [stdout] 2f4cd6c9d0e2d1fa152c079d802a8c2addd8e68607149c3fab20226cacafa4c6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9c8adfafae2cd4774877cf1992b3e14d64bf5eade416df4001bed2c8556644ae [INFO] running `Command { std: "docker" "start" "-a" "9c8adfafae2cd4774877cf1992b3e14d64bf5eade416df4001bed2c8556644ae", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.7 [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling syn v1.0.13 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling memchr v2.3.0 [INFO] [stderr] Compiling serde v1.0.104 [INFO] [stderr] Compiling num-integer v0.1.42 [INFO] [stderr] Compiling ryu v1.0.2 [INFO] [stderr] Checking unicode-width v0.1.7 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling nix v0.14.1 [INFO] [stderr] Compiling anyhow v1.0.26 [INFO] [stderr] Checking aho-corasick v0.7.6 [INFO] [stderr] Checking regex-syntax v0.6.13 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Checking chrono v0.4.10 [INFO] [stderr] Compiling structopt-derive v0.2.18 [INFO] [stderr] Checking regex v1.3.3 [INFO] [stderr] Checking structopt v0.2.18 [INFO] [stderr] Compiling thiserror-impl v1.0.9 [INFO] [stderr] Compiling displaydoc v0.1.5 [INFO] [stderr] Compiling serde_derive v1.0.104 [INFO] [stderr] Checking serde_bytes v0.11.3 [INFO] [stderr] Checking serde_json v1.0.44 [INFO] [stderr] Checking thiserror v1.0.9 [INFO] [stderr] Checking trapmail v0.4.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.41s [INFO] running `Command { std: "docker" "inspect" "9c8adfafae2cd4774877cf1992b3e14d64bf5eade416df4001bed2c8556644ae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9c8adfafae2cd4774877cf1992b3e14d64bf5eade416df4001bed2c8556644ae", kill_on_drop: false }` [INFO] [stdout] 9c8adfafae2cd4774877cf1992b3e14d64bf5eade416df4001bed2c8556644ae [INFO] checking mbr/trapmail-rs against try#f9935d29d867449445ee008640ccca1bf1ae0889+rustflags=-Dtail_expr_drop_order for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmbr%2Ftrapmail-rs" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mbr/trapmail-rs on toolchain f9935d29d867449445ee008640ccca1bf1ae0889 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mbr/trapmail-rs [INFO] finished tweaking git repo https://github.com/mbr/trapmail-rs [INFO] tweaked toml for git repo https://github.com/mbr/trapmail-rs written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/mbr/trapmail-rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d6a3f0e8e0a844b5d59daac8bf1c8e4f9a5bc5147c92bdd4560e45717b883f86 [INFO] running `Command { std: "docker" "start" "-a" "d6a3f0e8e0a844b5d59daac8bf1c8e4f9a5bc5147c92bdd4560e45717b883f86", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d6a3f0e8e0a844b5d59daac8bf1c8e4f9a5bc5147c92bdd4560e45717b883f86", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d6a3f0e8e0a844b5d59daac8bf1c8e4f9a5bc5147c92bdd4560e45717b883f86", kill_on_drop: false }` [INFO] [stdout] d6a3f0e8e0a844b5d59daac8bf1c8e4f9a5bc5147c92bdd4560e45717b883f86 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dtail_expr_drop_order" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 89da18c5bb77b8782e82b49d2bd22e1dcf3ce172b8eacd9e49096fb3ae1d4c76 [INFO] running `Command { std: "docker" "start" "-a" "89da18c5bb77b8782e82b49d2bd22e1dcf3ce172b8eacd9e49096fb3ae1d4c76", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.7 [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling syn v1.0.13 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling memchr v2.3.0 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling serde v1.0.104 [INFO] [stderr] Compiling num-integer v0.1.42 [INFO] [stderr] Checking unicode-width v0.1.7 [INFO] [stderr] Compiling ryu v1.0.2 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling nix v0.14.1 [INFO] [stderr] Compiling anyhow v1.0.26 [INFO] [stderr] Checking aho-corasick v0.7.6 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking regex-syntax v0.6.13 [INFO] [stderr] Checking chrono v0.4.10 [INFO] [stderr] Compiling structopt-derive v0.2.18 [INFO] [stderr] Compiling thiserror-impl v1.0.9 [INFO] [stderr] Compiling displaydoc v0.1.5 [INFO] [stderr] Compiling serde_derive v1.0.104 [INFO] [stderr] Checking regex v1.3.3 [INFO] [stderr] Checking structopt v0.2.18 [INFO] [stderr] Checking serde_bytes v0.11.3 [INFO] [stderr] Checking serde_json v1.0.44 [INFO] [stderr] Checking thiserror v1.0.9 [INFO] [stderr] Checking trapmail v0.4.0 (/opt/rustwide/workdir) [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:151:26 [INFO] [stdout] | [INFO] [stdout] 150 | let app = Self::clap().setting(clap::AppSettings::AllowLeadingHyphen); [INFO] [stdout] | --- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 151 | Self::from_clap(&app.get_matches()) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:180:17 [INFO] [stdout] | [INFO] [stdout] 180 | #[derive(Debug, Deserialize, Serialize)] [INFO] [stdout] | ^^^^^^^^^^^ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: this error originates in the macro `try` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:264:9 [INFO] [stdout] | [INFO] [stdout] 263 | pub fn load>(source: P) -> Result { [INFO] [stdout] | --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 264 | serde_json::from_reader(fs::File::open(source).map_err(Error::Load)?) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/serde_pid.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 16 | pub fn deserialize<'de, D>(de: D) -> Result [INFO] [stdout] | ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 20 | i32::deserialize(de).map(Pid::from_raw) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:151:26 [INFO] [stdout] | [INFO] [stdout] 150 | let app = Self::clap().setting(clap::AppSettings::AllowLeadingHyphen); [INFO] [stdout] | --- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 151 | Self::from_clap(&app.get_matches()) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:180:17 [INFO] [stdout] | [INFO] [stdout] 180 | #[derive(Debug, Deserialize, Serialize)] [INFO] [stdout] | ^^^^^^^^^^^ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: this error originates in the macro `try` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:264:9 [INFO] [stdout] | [INFO] [stdout] 263 | pub fn load>(source: P) -> Result { [INFO] [stdout] | --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 264 | serde_json::from_reader(fs::File::open(source).map_err(Error::Load)?) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/serde_pid.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 16 | pub fn deserialize<'de, D>(de: D) -> Result [INFO] [stdout] | ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 20 | i32::deserialize(de).map(Pid::from_raw) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `trapmail` (lib) due to 5 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `trapmail` (lib test) due to 5 previous errors [INFO] running `Command { std: "docker" "inspect" "89da18c5bb77b8782e82b49d2bd22e1dcf3ce172b8eacd9e49096fb3ae1d4c76", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "89da18c5bb77b8782e82b49d2bd22e1dcf3ce172b8eacd9e49096fb3ae1d4c76", kill_on_drop: false }` [INFO] [stdout] 89da18c5bb77b8782e82b49d2bd22e1dcf3ce172b8eacd9e49096fb3ae1d4c76